Principles and applications of selected chemical and instrumental methods for water, wastewater, biosolids and gas analysis; basic methods of calculation and sampling; gravimetry (precipitation and separation techniques),common wet chemical methods used in environmental laboratories; titrimetry; basic theoretical principles and practical methods of instrumental analysis such as: electrochemical methods including ion selective electrodes, potentiometry, coulometry and voltammetry; Spectro-chemical methods including classical& flame atomic absorption, induced coupled plasma. Chromatographic methods including ion chromatography, gas chromatography and high performance liquid chromatography, Methods of quality control as applied to physical and chemical processes involved in water treatment. The course includes a laboratory section.